Q1. A 27 year old man, who works outdoors, notices the growth on the skin that includes a darkly pigmented spot surrounded by a halo of inflamed skin. This man has a very fair complexion, with numerous freckles and blond hair. Due to his job and recreational interests he spends a great deal of time outdoors and often gets sunburned in the summer time.
The pigmented spot was removed surgically and sent for biopsy. It was determined to be malignant, but there was no evidence of metastasis.
1. What is the most possible diagnosis of the condition described? Explain.
Q2. A man drops a baseball off of the top of the Empire State Building. If the action force is the pull of the Earth on the ball, then what is the reaction force?